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create preview from document files as well

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a preview image can now be created from a document content or
a document file.
This commit is contained in:
Uwe Steinmann 2013-04-29 19:30:25 +02:00
parent ecc800fc24
commit 9f7b665c48
1 changed files with 39 additions and 19 deletions
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58
SeedDMS_Preview/Preview/Previewer.php
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@ -50,27 +50,50 @@ class SeedDMS_Preview_Previewer {
$this->width = intval($width); $this->width = intval($width);
} }
function createPreview($documentcontent, $width=0) { /* {{{ */ /**
* Retrieve the physical filename of the preview image on disk
*
* @param object $object document content or document file
* @param integer $width width of preview image
* @return string file name of preview image
*/
protected function getFileName($object, $width) { /* }}} */
$document = $object->getDocument();
$dir = $this->previewDir.'/'.$document->getDir();
switch(get_class($object)) {
case "SeedDMS_Core_DocumentContent":
$target = $dir.'p'.$object->getVersion().'-'.$width.'.png';
break;
case "SeedDMS_Core_DocumentFile":
$target = $dir.'f'.$object->getID().'-'.$width.'.png';
break;
default:
return false;
}
return $target;
} /* }}} */
public function createPreview($object, $width=0) { /* {{{ */
if($width == 0) if($width == 0)
$width = $this->width; $width = $this->width;
else else
$width = intval($width); $width = intval($width);
if(!$this->previewDir) if(!$this->previewDir)
return false; return false;
$document = $documentcontent->getDocument(); $document = $object->getDocument();
$dir = $this->previewDir.'/'.$document->getDir(); $dir = $this->previewDir.'/'.$document->getDir();
if(!is_dir($dir)) { if(!is_dir($dir)) {
if (!SeedDMS_Core_File::makeDir($dir)) { if (!SeedDMS_Core_File::makeDir($dir)) {
return false; return false;
} }
} }
$file = $document->_dms->contentDir.$documentcontent->getPath(); $file = $document->_dms->contentDir.$object->getPath();
if(!file_exists($file)) if(!file_exists($file))
return false; return false;
$target = $dir.'p'.$documentcontent->getVersion().'-'.$width.'.png'; $target = $this->getFileName($object, $width);
if(!file_exists($target)) { if($target !== false && !file_exists($target)) {
$cmd = ''; $cmd = '';
switch($documentcontent->getMimeType()) { switch($object->getMimeType()) {
case "image/png": case "image/png":
case "image/gif": case "image/gif":
case "image/jpeg": case "image/jpeg":
@ -89,46 +112,43 @@ class SeedDMS_Preview_Previewer {
} /* }}} */ } /* }}} */
function hasPreview($documentcontent, $width=0) { /* {{{ */ public function hasPreview($object, $width=0) { /* {{{ */
if($width == 0) if($width == 0)
$width = $this->width; $width = $this->width;
else else
$width = intval($width); $width = intval($width);
if(!$this->previewDir) if(!$this->previewDir)
return false; return false;
$document = $documentcontent->getDocument(); $target = $this->getFileName($object, $width);
$dir = $this->previewDir.'/'.$document->getDir(); if($target && file_exists($target)) {
$target = $dir.'p'.$documentcontent->getVersion().'-'.$width.'.png';
if(file_exists($target)) {
return true; return true;
} }
return false; return false;
} /* }}} */ } /* }}} */
function getPreview($documentcontent, $width=0) { /* {{{ */ public function getPreview($object, $width=0) { /* {{{ */
if($width == 0) if($width == 0)
$width = $this->width; $width = $this->width;
else else
$width = intval($width); $width = intval($width);
if(!$this->previewDir) if(!$this->previewDir)
return false; return false;
$document = $documentcontent->getDocument();
$dir = $this->previewDir.'/'.$document->getDir(); $target = $this->getFileName($object, $width);
$target = $dir.'p'.$documentcontent->getVersion().'-'.$width.'.png'; if($target && file_exists($target)) {
if(file_exists($target)) {
readfile($target); readfile($target);
} }
} /* }}} */ } /* }}} */
function deletePreview($document, $documentcontent) { /* {{{ */ public function deletePreview($document, $object, $width=0) { /* {{{ */
if($width == 0) if($width == 0)
$width = $this->width; $width = $this->width;
else else
$width = intval($width); $width = intval($width);
if(!$this->previewDir) if(!$this->previewDir)
return false; return false;
$dir = $this->previewDir.'/'.$document->getDir();
$target = $dir.'p'.$documentcontent->getVersion().'-'.$width.'.png'; $target = $this->getFileName($object, $width);
} /* }}} */ } /* }}} */
} }
?> ?>